We have a 6 year old mimi Daschund who is house trained for the most part. When we leave the house she will have accidents in the house even if she is let out to go before we leave. She knows she has done something wrong when we come home because she will hide from us it almost seems like she does it to get back at us for leaving. Any one had this problem.

I would try crating him. Part of the problem maybe the stress of being left alone. The crate could help that, or make it worse. Other dogs may not be as bad as the young Labs I am plagued with. Still your house and dog
Will be much safer with the dog in a crate when you are away. The dog may be
Happier in its den than loose in the house. It relaxes, it feels safe in its
Den. It rests, the body slows down reducing the need for water and relieving
Its self. Dogs that have been crated all along do very well. Many of them
Will rest in their crates even when the door is open. I think the plastic
Ones give the dog more of a safe, enclosed den feeling. They are harder for
Dogs to open too. Metal ones can be put in a corner or covered with
Something the dog can't pull in and chew. Select a crate just big enough for the full grown dog to stretch out in.

Leave it some toys. Perhaps a Kong filled with peanut butter. Don't leave
Anything in the crate the dog might chew up. It will do fine without even any
Bedding. You will come home to a safe dog and a house you can enjoy.

A dog that has not been crated since it was little, make take some work.
Start just putting its toys and treats in the crate. Praise it for going
in. If you have been able to trust it with any bedding, put that in the crate.
Feed it in the crate. This is also an easy way to maintain order at feeding
Time for more than one dog.

Put a grid in the bottom in case she still has accidents. They are highly effective on urine. Skip the
Bedding. At first it gets wet, and later it can be chewed into choking
Hazards. A wire grid in the bottom will help keep the puppy up out of
Accidents at first. They are available with the crates, but expensive and hard to find. A piece of closely spaced wire closet shelving from a home supply place is cheaper. I am now using a plastic vegetable bin with plenty of holes drilled in the bottom. It helps block off part of the crate for the smaller puppy.
http://www.photolocker.net/images/Labman/hollyhighanddry.jpg


She may be hiding from you not because she knows she did something wrong, but because she knows you frequently get mad when you come home.

Crate training is best but can be difficult with older dog. Stay the course and don not give up! Have there been any other changes in the house? Some dogs will do this due to behavioral problems, letting you know they do not like something. Then it becomes an unfortunate habit. Check with your vet if the crate doesn't cure it.